Cause
The character set specified is not allowed for this operation or is invalid. Express Instant Client has only minimal character sets.
The character set specified is not allowed for this operation or is invalid. Express Instant Client has only minimal character sets.
Do not use Express Instant Client for this character set
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/4443569
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